Celkon Q450 vs Vertu Signature Touch (2015)

Compare recorded specifications, size and practical differences.

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Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

  • Weight

    Q450: 78 g lighter

    Q450:
    147 g
    Signature Touch (2015):
    225 g
  • Width

    Q450: 6.3 mm narrower

    Q450:
    67.7 mm
    Signature Touch (2015):
    74 mm
  • Screen diagonal

    Q450: 0.7 in smaller diagonal

    Q450:
    4.5 in
    Signature Touch (2015):
    5.2 in
  • Chipset

    Q450:
    Spreadtrum 7731
    Signature Touch (2015):
    Qualcomm MSM8994 Snapdragon 810 (20 nm)
  • Depth

    Q450: 1.1 mm thinner

    Q450:
    9.7 mm
    Signature Touch (2015):
    10.8 mm
  • Height

    Q450: 20 mm shorter

    Q450:
    135 mm
    Signature Touch (2015):
    155 mm

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

  1. 1. Q450

    Height:
    135 mm
    Width:
    67.7 mm
    Depth:
    9.7 mm
  2. 2. Signature Touch (2015)

    Height:
    155 mm +20 mm versus Q450
    Width:
    74 mm +6.3 mm versus Q450
    Depth:
    10.8 mm +1.1 mm versus Q450

Weight

Bars start at zero and share a scale within this chart.

  1. 1. Q450

    147 g

  2. 2. Signature Touch (2015)

    225 g

    +78 g versus Q450

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

  1. 1. Q450

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    57.6 cm²
  2. 2. Signature Touch (2015)

    Screen diagonal:
    5.2 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    74.5 cm²

Signature Touch (2015) has approximately 29.3% more rectangular screen area than Q450.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Q450: Original memory entry

4 GB · 512 MB RAM

Signature Touch (2015): Original memory entry

64 GB · 512GB 4GB

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Q450

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

2. Signature Touch (2015)

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

  1. 1. Q450

    1800 mAh

  2. 2. Signature Touch (2015)

    3160 mAh

    +1360 mAh versus Q450

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. Q4502. Signature Touch (2015)

Everyday essentials
Everyday essentials — specifications for Q450, Signature Touch (2015).
SpecificationQ450Signature Touch (2015)
Dimensions (HxWxD)
  • 135 Х 67.7 Х 9.7 mm
  • 155 Х 74 Х 10.8 mm
Weight
  • 147 g
  • 225 g
Technology
  • IPS LCD
  • Sapphire crystal glass
Screen size
  • 4.5" inch
  • 5.2" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 64 GB
  • 512GB 4GB
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Li-Ion
  • 3160 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 5.1 (Lollipop)
Chipset
  • Spreadtrum 7731
  • Qualcomm MSM8994 Snapdragon 810 (20 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Q450, Signature Touch (2015).
SpecificationQ450Signature Touch (2015)
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 57.6 cm2
  • 74.5 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 63.1%
  • 65.0%
PPI /points per inch/
  • 207 PPI
  • 424 PPI
Screen protection Unknown
  • Sapphire crystal glass
Camera and Video
Camera and Video — specifications for Q450, Signature Touch (2015).
SpecificationQ450Signature Touch (2015)
Rear camera, main
  • 5 MP
  • Single
  • 21 MP
  • Single
Camera specs
  • 5 MP
  • 21 MP
  • PDAF
Functions
  • LED flash
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Video
  • Yes
  • Yes
Front camera, selfie
  • 2 MP
  • Single
  • 2.1 MP
  • Single
Specifications
  • 2 MP
  • 2.1 MP
Performance
Performance — specifications for Q450, Signature Touch (2015).
SpecificationQ450Signature Touch (2015)
Processor CPU
  • Quad-core 1.2 GHz
  • Octa-core (4x1.56 GHz Cortex-A53 & 4x1.82 GHz Cortex-A57)
Graphics processor GPU
  • Mali-400
  • Adreno 430
General specs
General specs — specifications for Q450, Signature Touch (2015).
SpecificationQ450Signature Touch (2015)
Release date
  • 2015
  • April
  • 2015
  • September
Colors
  • Gold
  • White
  • Jet Calf
  • Garnet Calf
  • Grape Lizard
  • Pure Jet Lizard
  • Jet Alligator
  • Pure Navy Alligator
  • Clous de Paris Alligator
  • Pure Jet Red Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 9000 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Q450, Signature Touch (2015).
SpecificationQ450Signature Touch (2015)
SIM card
  • Dual SIM
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 TD-SCDMA -4G - LTE band 1(2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 13(700)
  • 17(700)
  • 20(800)
  • 25(1900)
  • 28(700)
  • 29(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB
  • microUSB 2.0 (MHL)
  • USB Host
Bluetooth
  • 2.0
  • 4.0
  • A2DP
  • LE
  • aptX
Harmful irradiation
  • SAR EU - 0.74 W/kg (head) 0.67 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Q450, Signature Touch (2015).
SpecificationQ450Signature Touch (2015)
Radio
  • FM radio
  • No
Others Unknown
  • Dolby Digital Plus audio enhancement -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Q450, Signature Touch (2015).
SpecificationQ450Signature Touch (2015)
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (Quick Charge 2.0) -Qi wireless charging - Titanium body (forged grade 5) and luxurious calf leather covered rear panel